Table 1 Tissues within the teratoma grouped by germ layer of origin
Germ Layer | Tissue | Description | Figure |
|---|---|---|---|
Ectoderm | Neural | Brain (CNS) | 4B, 4C |
Skin | Hair follicles, sebaceous glands | ||
Ectoderm or Endoderm | Cysts | Stratified keratinizing squamous epithelium | 4B, 4F |
Mesoderm | Muscle | Smooth muscle cell bundles | |
Cartilage | Hyaline | 4B, 4D | |
Bone | Included marrow elements | 4B, 4E | |
Collagen | Included fibroblasts | ||
Fat | White adipose tissue | 4B, 4E, 4F | |
Endoderm | Cysts | Respiratory simple columnar and pseudocolumnar ciliated lined cysts | 4B, 4D |
Cysts | Simple columnar mucus cells lining cysts | ||
Cysts | Simple squamous epithelial cells | 4B, 4F | |
Acini | Acinar gland-like structures & duct-like structures | 4B | |